Hepatitis is caused by a virus in the blood. Infection occurs through exposure to the virus. Hepatitis B and C cause liver inflammation.
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Blood in the stool can be an alarming symptom that signals underlying conditions from hemorrhoids to colon cancer.
A disease caused by ultraviolet light that comes from the sun’s rays.
Melanoma is the most dangerous form of skin cancer and among the most aggressive of all cancers, but it can be cured if caught in the early stages.
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Lymph nodes can be used to determine whether cancer has become metastatic, meaning it’s begun to spread from the original tumor site to other parts of the body.
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Metastatic cancer occurs when cells from part of the body spread to the brain.
Basal cell carcinoma accounts for 80 percent of all skin cancers. The cause is damage to the DNA of cells in the epidermis, the top layer of the skin.